Mobile and Offline Developer Guide

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Mobile App Development with Lightning Web Components and LWC Offline
Create Mobile-Ready Components
Use Mobile Device Features in Mobile Apps
Request App Review
Scan Barcodes
Barcode Scanning User Experience
Use the BarcodeScanner API
BarcodeScanner Example–Modern Scanning API
BarcodeScanner Example—Single Scan (Legacy)
Scan Multiple Barcodes (Legacy)
BarcodeScanner Example—Continuous Scanning (Legacy)
Create a Self-Service Kiosk Application
BarcodeScanner Example—Self-Service Kiosk (Legacy)
Customize the BarcodeScanner User Interface
Compatibility and Requirements
Considerations and Limitations
Access Device Biometrics
Manage Calendar Events
Access Contacts
Scan Documents
Monitor Geofences
Use Location
Interact With NFC Tags
Tap to Pay
Offline Considerations and Limitations
Offline Environment Details
Use Salesforce Features While Offline
Development Tools and Processes
Quick Start Tutorials
PDF

Barcode Scanning User Experience

Your component can deliver any user experience you desire, but there’s a common flow for any component that can scan a barcode.
  1. A Lightning web component displays a button (or other user interface control) to start a scan.Lightning web component with a Scan an Item button
  2. When the button is pressed, BarcodeScanner invokes the mobile device’s user interface for the camera and barcode scanning function. When the camera detects a valid barcode, it displays a bounding box around the barcode, reads the data from the barcode, and returns the result to the Lightning web component that invoked it.Lightning web component scanning a barcode
  3. The Lightning web component displays or otherwise processes the results of the scan.Lightning web component displaying data read from the barcode